Corneal neovascularization
Corneal Neovascularization
Corneal neovascularization (pronunciation: kor-nee-al neo-vas-cu-lar-iz-ation) is a medical condition characterized by the growth of new blood vessels into the cornea from the limbus, a region at the border of the cornea and the sclera. This condition is often a response to hypoxia, inflammation, or injury.
Etymology
The term "corneal neovascularization" is derived from three words: "corneal", referring to the cornea, the clear front surface of the eye; "neo-", a prefix from the Greek "neos", meaning new; and "vascularization", which refers to the formation of blood vessels.
Causes
Corneal neovascularization is typically caused by conditions that deprive the cornea of oxygen, such as the prolonged use of contact lenses, corneal ulcers, infections, inflammation, and trauma. It can also be a result of certain diseases such as herpetic keratitis, limbal stem cell deficiency, and aniridia.
Symptoms
Symptoms of corneal neovascularization include redness, pain, photophobia, and decreased visual acuity. In severe cases, it can lead to corneal scarring, lipid deposition, and corneal edema, which can further impair vision.
Treatment
Treatment options for corneal neovascularization include the use of steroids, anti-angiogenic drugs, laser therapy, and corneal transplant. The choice of treatment depends on the underlying cause and the severity of the condition.
Related Terms
- Angiogenesis
- Corneal Hypoxia
- Corneal Edema
- Corneal Ulcer
- Herpetic Keratitis
- Limbal Stem Cell Deficiency
- Aniridia
External links
- Medical encyclopedia article on Corneal neovascularization
- Wikipedia's article - Corneal neovascularization
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